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#include "src/tint/lang/msl/type/gradient.h"

#include <cstddef>
#include <string>

#include "src/tint/lang/core/type/clone_context.h"
#include "src/tint/lang/core/type/manager.h"
#include "src/tint/lang/core/type/unique_node.h"
#include "src/tint/utils/math/hash.h"
#include "src/tint/utils/rtti/castable.h"
#include "src/tint/utils/text/string_stream.h"

TINT_INSTANTIATE_TYPEINFO(tint::msl::type::Gradient);

namespace tint::msl::type {

Gradient::Gradient(enum Dim dim)
    : Base(static_cast<size_t>(Hash(tint::TypeCode::Of<Gradient>().bits, dim)),
           core::type::Flags{}),
      dim_(dim) {}

bool Gradient::Equals(const UniqueNode& other) const {
    if (auto* g = other.As<Gradient>()) {
        return g->Dim() == dim_;
    }
    return false;
}

std::string Gradient::FriendlyName() const {
    StringStream out;
    out << "msl.gradient";
    switch (dim_) {
        case Dim::k2d:
            out << "2d";
            break;
        case Dim::k3d:
            out << "3d";
            break;
        case Dim::kCube:
            out << "cube";
            break;
    }
    return out.str();
}

Gradient* Gradient::Clone(core::type::CloneContext& ctx) const {
    return ctx.dst.mgr->Get<Gradient>(dim_);
}

}  // namespace tint::msl::type
